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Transistors BC-Serie - BC548

Datasheet BC548 Philips

Click to enlarge2 Transistor FM Transmitter
I accept acclimated a brace of BC548 transistors in this circuit. Although not carefully RF transistors, they still accord acceptable results.

Click to enlarge5 channel graphic equalizer by BC548 transistor
The equalizer circuit can adjust the frequency to 5 channel is 60 Hz, 100 Hz, 1 kHz, 3 kHz and 12 kHz.
If the system is used in stereo, then build up to another set.

Click to enlargeElektrische kaars
Om een kaars te laten branden, hebben we een verhittingsbron nodig (het vuur van een lucifer) en om hem te doven hoef je hem slechts uit te blazen. De volgende schakeling gedraagt zich op overeenkomstige wijze.

Click to enlargeLie detector circuit
This is a false capture circuit or Lie detector circuit. The basic principle of the resistance of human skin. While dry skin is a resistance of about 1 Mega ohm but if the skin moisture resistance is reduced. When the body are excited or scared or not sure the skin is moist than usual.

Click to enlargePre amplifier with transistors BC548
Pre amplifier circuit with transistors can be used to supply source from 6-12Volt the current minimum is 2-3 mA and can extend the signal strength from up to 2 Volt.

Click to enlargeSimple flashing light by transistor BC548
WIDTH="96" HEIGHT="72"This circuit basically the base of LED Flashing circuit, the character generally be have Transistor stay 2 work alternate be be like the automatic switch that alternate work.WIDTH="96" HEIGHT="72"

Small FM radio receiverSmall FM radio receiver
WIDTH="96" HEIGHT="72"This circuit is FM radio receiver that very small size and works well, although the sensitivity is poor. The principle of this circuit is to use the generator frequency circuit.WIDTH="96" HEIGHT="72"

Click to enlargeThe Op-amp IC tester circuit
This is an simple op-amp IC tester circuit that cheap and easy to build. for test many op-amp ICs fast check.

//www.free-electronic-circuits.com/images/projects/155/simple_crystal_test_circuit.gif" TARGET="_blank">Click to enlargeTwo Simple Crystal Test Circuits
WIDTH="96" HEIGHT="72"Two simple test circuits to check operation of quartz crystals.
In the first circuit, above the BC548 is wired as a colpitts oscillator, the frequency tuned by insertion of a crystal.WIDTH="96" HEIGHT="72"

Creation date : 02/12/2012 @ 13:51
Last update : 19/08/2018 @ 23:56
Category : Transistors BC-Serie
Page read 16297 times

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